/* Macros to swap the order of bytes in 16-bit integer values. Copyright (C) 2012-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _BITS_BYTESWAP_H # error "Never use <bits/byteswap-16.h> directly; include <byteswap.h> instead." #endif #ifdef __GNUC__ # define __bswap_16(x) \ (__extension__ \ ({ unsigned short int __bsx = (unsigned short int) (x); \ __bswap_constant_16 (__bsx); })) #else static __inline unsigned short int __bswap_16 (unsigned short int __bsx) { return __bswap_constant_16 (__bsx); } #endif